“Transformers, I still have a great time,” he said in an interview with Rolling Stone. “It’s fun to do a movie that 100 million people will see. But this is the last one. I have to pass the reins to someone else,” he said. Reminded that he had said this twice before Bay responded, “I know. JJ (Abrams, Star Wars: The Force Awakens director) told me, ‘You’re the only guy that could do this.’ But it’s time to move on. One more.”

Re: directing TF5. No, it's not official. I have not committed to any idea as of yet. Just met with Steven and we are discussing.